21009756

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{569}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 52284960

約数和(自身を除く): 31275204

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 181, 204, 362, 543, 569, 724, 1086, 1138, 1707, 2172, 2276, 3077, 3414, 6154, 6828, 9231, 9673, 12308, 18462, 19346, 29019, 36924, 38692, 58038, 102989, 116076, 205978, 308967, 411956, 617934, 1235868, 1750813, 3501626, 5252439, 7003252, 10504878, 21009756]

約数ペア:

[(1, 21009756), (2, 10504878), (3, 7003252), (4, 5252439), (6, 3501626), (12, 1750813), (17, 1235868), (34, 617934), (51, 411956), (68, 308967), (102, 205978), (181, 116076), (204, 102989), (362, 58038), (543, 38692), (569, 36924), (724, 29019), (1086, 19346), (1138, 18462), (1707, 12308), (2172, 9673), (2276, 9231), (3077, 6828), (3414, 6154)]